Part of a rollator frame



FIG. 1 is a view of a part of a rollator frame showing my new design;

FIG. 2 is another view thereof;

FIG. 3 is yet another view thereof;

FIG. 4 is yet another view thereof;

FIG. 5 is yet another view thereof;

FIG. 6 is yet another view thereof;

FIG. 7 is yet another view thereof;

FIG. 8 is yet another view thereof;

FIG. 9 is yet another view thereof; and,

FIG. 10 is yet another view thereof. 

CLAIM The ornamental design for a part of a rollator frame, as shown and described. 